# Vays vs JSON DevKit Editor

The clearest difference is price: Vays at Free against JSON DevKit Editor's $0.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Vays is free to download; JSON DevKit Editor costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Vays ships an update fortnightly, JSON DevKit Editor every 9 days. The most recent releases landed on September 26, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Vays | JSON DevKit Editor |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 14 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ARVIND JUNEJA OUMM](https://appshunter.io/developer/1782767786) | [andy hu](https://appshunter.io/developer/490582311) |

## What reviewers say

### Vays

[App page](https://appshunter.io/ios/app/vays-markdown-reader/id6797046995)

**Features:** macOS Compatibility

**In-app purchases:** none


### JSON DevKit Editor

[App page](https://appshunter.io/ios/app/json-devkit-editor/id6800187686)

**Features:** Family Sharing, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Vays free?

Vays is free to download, with no in-app purchases.

### Is JSON DevKit Editor free?

JSON DevKit Editor costs $0.99, with no in-app purchases.

### Do Vays or JSON DevKit Editor have ads?

Neither Vays nor JSON DevKit Editor shows ads.

### Which is updated more often, Vays or JSON DevKit Editor?

Vays ships an update fortnightly, and JSON DevKit Editor every 9 days. Most recently, Vays was updated on September 26, 2026 and JSON DevKit Editor on October 2, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*